Home / 828,867.38-1,143,811.41-466,311.38

Finding the Fourth Proportional to 828,867.38, 1,143,811.41 and 466,311.38

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Solution

The fourth proportional to 828,867.38, 1,143,811.41 and 466,311.38 is: 643,495.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,867.38 : 1,143,811.41 = 466,311.38 : x
  2. Step 2: Convert to fraction form
    828,867.38/1,143,811.41 = 466,311.38/x
  3. Step 3: Cross multiply
    828,867.38x = 1,143,811.41 × 466,311.38
  4. Step 4: Simplify right side
    828,867.38x = 533,372,277,056.85
  5. Step 5: Solve for x
    x = 533,372,277,056.85/828,867.38
  6. Step 6: Final answer
    x = 643,495.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.